Answer:
B) lincoln's election in 1860
Explanation:
The US presidential election of 1860 was the nineteenth quadrennial presidential election to elect the president and vice president of the United States. The election took place on Tuesday, November 6, 1860. In a four-way competition, the ticket of the Republican Party of Abraham Lincoln and Hannibal Hamlin came out triumphant. The election of Lincoln served as the main catalyst of the American Civil War.
